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  1. A high school student explains her engineering project to a judge in Sacramento, California, United States (2015). Science, technology, engineering, and mathematics ( STEM) is an umbrella term used to group together the distinct but related technical disciplines of science, technology, engineering, and mathematics.

  2. Principal component analysis ( PCA) is a linear dimensionality reduction technique with applications in exploratory data analysis, visualization and data preprocessing . The data is linearly transformed onto a new coordinate system such that the directions (principal components) capturing the largest variation in the data can be easily identified.

  3. en.wikipedia.org › wiki › TaiwanTaiwan - Wikipedia

    Taiwan,[II][k] officially the Republic of China (ROC),[I][l] is a country[27] in East Asia.[o] It is located at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeast, and the Philippines to the south. The territories controlled by the ...

  4. An intelligence quotient ( IQ) is a total score derived from a set of standardised tests or subtests designed to assess human intelligence. [1] The abbreviation "IQ" was coined by the psychologist William Stern for the German term Intelligenzquotient, his term for a scoring method for intelligence tests at University of Breslau he advocated in ...

  5. Bachelor's degree. A bachelor's degree (from Medieval Latin baccalaureus) or baccalaureate (from Modern Latin baccalaureatus) is an undergraduate degree awarded by colleges and universities upon completion of a course of study lasting three to six years (depending on institution and academic discipline ). The two most common bachelor's degrees ...

  6. Plate tectonics (from Latin tectonicus, from Ancient Greek τεκτονικός (tektonikós) 'pertaining to building')[1] is the scientific theory that Earth's lithosphere comprises a number of large tectonic plates, which have been slowly moving since about 3.4 billion years ago.[2] The model builds on the concept of continental drift, an ...

  7. A Doctor of Philosophy ( PhD, Ph.D., or DPhil; Latin: philosophiae doctor or doctor philosophiae) is the most common degree at the highest academic level, awarded following a course of study and research. The degree is abbreviated PhD and sometimes, especially in the U.S., as Ph.D. It is derived from the Latin Philosophiae Doctor, pronounced as ...